Blame the government or blame the economy, but Americans should also blame themselves for their declining net worth. We waste over half a trillion dollars each year -- and that's just for areas with available data. And what do we waste that money on? Read on ...

Your refrigerator might be on its last legs. Or maybe you just want to turn in that '70s-era relic for a 21st century model. In either case, how can you find a good refrigerator that won't send a chill through your bank account? DailyFinance's Savings Experiment has zeroed in on what you need to know.

The refrigerator is the second-biggest electricity hog in most homes, so if you want to trim your power bill, it's a great place to start. The best solution is to ditch your old one for a new, energy-efficient model, but if that isn't in your budget, there are still things you can do to cut your fridge's power bill right now.

The Empire State Building is perhaps best remembered as the site of King Kong's last stand, but in real life, the monkey on the building's back wasn't a giant gorilla -- it was a giant electricity bill. But that was before one of the most remarkable green renovations ever undertaken.

Energy Star, the Environmental Protection Agency's (EPA) efficiency-rating program for appliances, is under fire for making dubious claims, mislabeling products, or insufficiently verifying manufacturers' claims.